package com.z.utils;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * @ProjectName: springboot-08-shiro
 * @Package: com.baizhi.utils
 * @ClassName: ApplicationContextUtils
 * @author: Arisapoke
 * @date: 2021/2/3 16:34
 * @Version: 1.0
 */
@Component
public class ApplicationContextUtils implements ApplicationContextAware {

    /**
     * 这里需要定义一个Context做工厂返回的对象
     */
    private static ApplicationContext context;


    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        this.context = applicationContext;
    }

    /**
     * 根据bean的名字获取到工厂指定的bean 对象
     * @param beanName
     * @return
     */
    public static Object getBean(String beanName){
        return context.getBean(beanName);
    }
}
